feat: Add wrapped ICX token

[AntonAndell]

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• I have performed a self-review of my own code
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[codecov]

Codecov Report

Attention: Patch coverage is 69.73684% with 23 lines in your changes missing coverage. Please review.

Project coverage is 73.02%. Comparing base (5a059c6) to head (d58a217).
Report is 70 commits behind head on main.

Files with missing lines	Patch %	Lines
...rk/balanced/score/tokens/wicx/PayableIRC2Base.java	65.95%	3 Missing and 13 partials ⚠️
.../java/network/balanced/score/tokens/wicx/WICX.java	75.86%	3 Missing and 4 partials ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #463      +/-   ##
============================================
- Coverage     73.05%   73.02%   -0.04%     
- Complexity     1603     1620      +17     
============================================
  Files           116      118       +2     
  Lines          7686     7762      +76     
  Branches        936      951      +15     
============================================
+ Hits           5615     5668      +53     
- Misses         1667     1673       +6     
- Partials        404      421      +17     

Flag	Coverage Δ
java	73.02% <69.73%> (-0.04%)	⬇️

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[TRSSMG]

I think you want to return here Context.getValue();

[TRSSMG]

already thrown exception for str==null, assert not required I think